The Amazing Race and Masked Singer Winners Are Revealed, The Expanse Returns and More

Season 5 premiere (first three episodes, then weekly): Holden must convince Fred to destroy the last sample of protomolecule; Naomi gets a lead on her son; Drummer can’t escape the past. (Watch trailer; already renewed for final season.)

The true-crime docuseries chronicles the British police’s struggle to indentify the 1970s serial killer known as the Yorkshire Ripper.

Season 1 finale: Massimo stops Dominic and identifies the killer; Sofia vows to destroy Massimo. (Previously renewed abroad by Sky Atlantic.)

Season 4 finale (two hours): Crocodile, Mushroom and Sun are unmasked — and a winner is revealed. (Final clues and guesses!)

From exec producer George Clooney comes this documentary about the 1998 murder of Guatemalan human rights activist Bishop Juan Gerardi.

All the Schweddy Balls you can handle are served during this annual look back at classic holiday sketches.

Fall finale: Ray’s teammates wrestle with how to help their missing brother and his family while Bravo Team is sidelined. (Fall behind? Read Ep 3 recap.)

Fall finale: Aaron and Roswell uncover a pattern of police corruption after they agree to help a young woman facing deportation for a minor crime.

Fall finale: Chris and the team work to save a teenage girl from a predatory religious leader; Hondo receives unsettling news; Tan’s wedding hits a snag.

♦ ON THIS DAY IN TV HISTORY ♦
On Dec. 16, 1975, the original One Day at a Time made its debut on CBS, and ran for 209 episodes.